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From: Boaz Harrosh <bharrosh@panasas.com>
To: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Oleg Nesterov <oleg@redhat.com>,
	Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
	<linux-security-module@vger.kernel.org>,
	Ingo Molnar <mingo@elte.hu>, Paul Turner <pjt@google.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	NFS list <linux-nfs@vger.kernel.org>,
	Trond Myklebust <Trond.Myklebust@netapp.com>,
	"Bhamare, Sachin" <sbhamare@panasas.com>,
	David Howells <dhowells@redhat.com>,
	Eric Paris <eparis@redhat.com>,
	"Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com>,
	Kay Sievers <kay.sievers@vrfy.org>,
	James Morris <jmorris@namei.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rjw@sisk.pl>,
	"keyrings@linux-nfs.org" <keyrings@linux-nfs.org>
Subject: Re: [PATCH 4/6 OPTION-A version 3] completion: Add new wait_for_completion_timeout_state
Date: Wed, 28 Mar 2012 11:19:46 -0700	[thread overview]
Message-ID: <4F735642.9030905@panasas.com> (raw)
In-Reply-To: <1332835919.16159.195.camel@twins>

On 03/27/2012 01:11 AM, Peter Zijlstra wrote:

> On Mon, 2012-03-26 at 19:33 -0700, Boaz Harrosh wrote:
> 
> 
> So I'm fine with adding wait_for_completion_timeout_state(), but make it
> look and smell like wait_for_completion_timeout() and use a proper
> state, like wake_up_state().
> 
> IOW:
> 
> unsigned long __sched 
> wait_for_completion_timeout_state(struct completion *x, 
> 				  unsigned long timeout,
> 				  unsigned int state)
> {
> 	return wait_for_common(x, timeout, state);
> }
> EXPORT_SYMBOL(wait_for_completion_timeout_state);
> 



Looks good thanks It's what I had at first, and went
overboard with it. KISS right?

I'll resend and use it as is? Should I add a BUG_ON
if state is not one of:
	TASK_UNINTERRUPTIBLE
	TASK_KILLABLE
	TASK_INTERRUPTIBLE

Thanks Peter, this will help me a lot
Boaz

WARNING: multiple messages have this Message-ID (diff)
From: Boaz Harrosh <bharrosh-C4P08NqkoRlBDgjK7y7TUQ@public.gmane.org>
To: Peter Zijlstra <a.p.zijlstra-/NLkJaSkS4VmR6Xm/wNWPw@public.gmane.org>
Cc: Andrew Morton
	<akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>,
	Oleg Nesterov <oleg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Tetsuo Handa
	<penguin-kernel-JPay3/Yim36HaxMnTkn67Xf5DAMn2ifp@public.gmane.org>,
	<linux-security-module-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>,
	Paul Turner <pjt-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
	Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ@public.gmane.org>,
	linux-fsdevel
	<linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-kernel
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	NFS list <linux-nfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Trond Myklebust
	<Trond.Myklebust-HgOvQuBEEgTQT0dZR+AlfA@public.gmane.org>,
	"Bhamare,
	Sachin" <sbhamare-C4P08NqkoRlBDgjK7y7TUQ@public.gmane.org>,
	David Howells <dhowells-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Eric Paris <eparis-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	"Srivatsa S. Bhat"
	<srivatsa.bhat-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>,
	Kay Sievers <kay.sievers-tD+1rO4QERM@public.gmane.org>,
	James Morris <jmorris-gx6/JNMH7DfYtjvyW6yDsg@public.gmane.org>,
	"Eric W. Biederman"
	<ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>,
	Greg KH
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
	"keyrings-6DNke4IJHB0gsBAKwltoeQ@public.gmane.org"
	<keyrings-6DNke4IJHB0gsBAKwltoeQ@public.gmane.org>
Subject: Re: [PATCH 4/6 OPTION-A version 3] completion: Add new wait_for_completion_timeout_state
Date: Wed, 28 Mar 2012 11:19:46 -0700	[thread overview]
Message-ID: <4F735642.9030905@panasas.com> (raw)
In-Reply-To: <1332835919.16159.195.camel@twins>

On 03/27/2012 01:11 AM, Peter Zijlstra wrote:

> On Mon, 2012-03-26 at 19:33 -0700, Boaz Harrosh wrote:
> 
> 
> So I'm fine with adding wait_for_completion_timeout_state(), but make it
> look and smell like wait_for_completion_timeout() and use a proper
> state, like wake_up_state().
> 
> IOW:
> 
> unsigned long __sched 
> wait_for_completion_timeout_state(struct completion *x, 
> 				  unsigned long timeout,
> 				  unsigned int state)
> {
> 	return wait_for_common(x, timeout, state);
> }
> EXPORT_SYMBOL(wait_for_completion_timeout_state);
> 



Looks good thanks It's what I had at first, and went
overboard with it. KISS right?

I'll resend and use it as is? Should I add a BUG_ON
if state is not one of:
	TASK_UNINTERRUPTIBLE
	TASK_KILLABLE
	TASK_INTERRUPTIBLE

Thanks Peter, this will help me a lot
Boaz
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  reply	other threads:[~2012-03-28 18:21 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-20 23:18 [PATCHSET 0/4] kmod: Optional timeout on the wait in call_usermodehelper_exec Boaz Harrosh
2012-03-20 23:18 ` Boaz Harrosh
2012-03-20 23:23 ` [PATCH 1/4] kmod: Un-export call_usermodehelper_freeinfo() Boaz Harrosh
2012-03-20 23:23   ` Boaz Harrosh
2012-03-20 23:26 ` [PATCH 2/4] kmod: Convert two call sites to call_usermodehelper_fns() Boaz Harrosh
2012-03-20 23:26   ` Boaz Harrosh
2012-03-22  3:00   ` James Morris
2012-03-22  3:00     ` James Morris
2012-03-20 23:28 ` [PATCH 3/4] kmod: Move call_usermodehelper_fns() to .c file and unexport it's helpers Boaz Harrosh
2012-03-20 23:32 ` [RFC 4/4] {RFC} kmod.c: Add new call_usermodehelper_timeout() API Boaz Harrosh
2012-03-22  2:44   ` Boaz Harrosh
2012-03-22  2:48   ` Boaz Harrosh
2012-03-22  2:52     ` Boaz Harrosh
     [not found]       ` <201203241028.IGJ09825.MtOVFHFJQSLOFO@I-love.SAKURA.ne.jp>
     [not found]         ` <4F6D35F0.2020808@panasas.com>
     [not found]           ` <20120323200028.fadf49f8.akpm@linux-foundation.org>
     [not found]             ` <20120324145308.GA10023@redhat.com>
     [not found]               ` <201205191121.BIF57837.FHFOtMOLJQSOFV@I-love.SAKURA.ne.jp>
     [not found]                 ` <4FB7170F.7070807@panasas.com>
2012-05-21 17:01                   ` call_usermodehelper && check_hung_uninterruptible_tasks Oleg Nesterov
2012-05-21 18:24                     ` Oleg Nesterov
     [not found]                 ` <87fwau4aag.fsf@rustcorp.com.au>
2012-05-21 17:34                   ` UMH_WAIT_EXEC->UMH_WAIT_PROC deadlock Oleg Nesterov
2012-05-21 18:12                     ` Oleg Nesterov
2012-03-22 11:48     ` [RFC 4/4] {RFC} kmod.c: Add new call_usermodehelper_timeout()API Tetsuo Handa
2012-03-22 14:27     ` [RFC 4/4] {RFC} kmod.c: Add new call_usermodehelper_timeout() API Oleg Nesterov
2012-03-22 14:27       ` Oleg Nesterov
2012-03-22 14:42       ` Oleg Nesterov
2012-03-22 14:42         ` Oleg Nesterov
2012-03-22 19:08       ` Boaz Harrosh
2012-03-22 22:16         ` [RFC 4/4] {RFC} kmod.c: Add new call_usermodehelper_timeout()API Tetsuo Handa
2012-03-23  4:48           ` Boaz Harrosh
2012-03-23  5:23             ` Tetsuo Handa
2012-03-23  5:23               ` Tetsuo Handa
2012-03-23 16:30             ` Oleg Nesterov
2012-03-23 13:34         ` [RFC 4/4] {RFC} kmod.c: Add new call_usermodehelper_timeout() API Oleg Nesterov
2012-03-23 13:34           ` Oleg Nesterov
2012-03-21 15:35 ` [PATCHSET 0/4] kmod: Optional timeout on the wait in call_usermodehelper_exec Greg KH
2012-03-22  0:18   ` Boaz Harrosh
2012-03-22  0:31     ` Myklebust, Trond
2012-03-22  0:31       ` Myklebust, Trond
2012-03-22  0:31       ` Myklebust, Trond
2012-03-22  1:18       ` Boaz Harrosh
2012-03-27  1:57 ` [PATCHSET 0/6 version 2] " Boaz Harrosh
2012-03-27  2:00   ` [PATCH 1/6] kmod: Unexport call_usermodehelper_freeinfo() Boaz Harrosh
2012-03-27  2:00     ` Boaz Harrosh
2012-03-27  2:02   ` [PATCH 2/6] kmod: Convert two call sites to call_usermodehelper_fns() Boaz Harrosh
2012-03-27  2:04   ` [PATCH 3/6] kmod: Move call_usermodehelper_fns() to .c file and unexport all it's helpers Boaz Harrosh
2012-03-27  2:06   ` [PATCH 4/6 OPTION-A] completion: Add new wait_for_completion_timeout_state Boaz Harrosh
2012-03-27  2:06     ` Boaz Harrosh
2012-03-27  2:33     ` [PATCH 4/6 OPTION-A version 3] " Boaz Harrosh
2012-03-27  8:11       ` Peter Zijlstra
2012-03-27  8:11         ` Peter Zijlstra
2012-03-28 18:19         ` Boaz Harrosh [this message]
2012-03-28 18:19           ` Boaz Harrosh
2012-03-28 18:25           ` Peter Zijlstra
2012-03-28 18:25             ` Peter Zijlstra
2012-03-28 17:38       ` Oleg Nesterov
2012-03-27  2:09   ` [PATCH 4/6 option-B] kmod: add new wait_for_completion_timeout_state() helper Boaz Harrosh
2012-03-27  2:13   ` [PATCH 5/6] kmod: Add new call_usermodehelper_timeout() API Boaz Harrosh
2012-03-27 15:43     ` Oleg Nesterov
2012-03-27 15:43       ` Oleg Nesterov
2012-03-28 17:04       ` Oleg Nesterov
2012-03-27  2:15   ` [PATCH 6/6] kmod: optional: Convert the use of xchg to a kref Boaz Harrosh
2012-03-28 16:35     ` Oleg Nesterov
2012-03-27 21:07   ` [PATCHSET 0/6 version 2] kmod: Optional timeout on the wait in call_usermodehelper_exec Andrew Morton
2012-03-27 21:07     ` Andrew Morton
2012-03-28 20:19     ` Oleg Nesterov
2012-03-28 21:42       ` Boaz Harrosh

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